28409275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{59809}}^1$

素因数の和:59838

約数の個数: 12

約数和(自身を含む): 37082200

約数和(自身を除く): 8672925

約数列:

[1, 5, 19, 25, 95, 475, 59809, 299045, 1136371, 1495225, 5681855, 28409275]

約数ペア:

[(1, 28409275), (5, 5681855), (19, 1495225), (25, 1136371), (95, 299045), (475, 59809)]